1, Had miNe right after statement closed but was new application.
2. No. That is one benefit that I hate because it’s so hard to use for frequent travelers since I don’t check bags and even if I did I have three free bags and if I’m not upgraded to first then I’m automatically in c+ which has free drinks and I get club access with my delta card. If you aren’t a frequent flyer you can use it for checked bags and skyclub access
3. Yes. As long as you give the card to the front desk for incidentals and the hotel is on the list then Amy room charges will apply to the credit.